2020 GMC Yukon alternator — 150 amp (opt KG4) price snapshot
- Low
- $56
- Average
- $88
- High
- $145
Year & trim-specific price guide
Used 2020 GMC Yukon Alternator — 150 amp (opt KG4) prices
Trim-specific pricing for the 150 amp (opt KG4) variant of the 2020 GMC Yukon alternator, built from 28 real salvage yard listings with condition grade detail.
Price summary
A used 2020 GMC Yukon alternator (150 amp (opt KG4)) costs $56 to $145, with a median asking price of $76. Based on 28 priced salvage yard listings across the US, updated Aug 3, 2026. Prices exclude shipping, core charges, and installation.
Grade A (excellent)$76
USD
Condition comparison
Price by part grade
Grade AClean / low wear$56–$14515 listings
Grade BStandard usedUpdating
Grade CVisible wearUpdating
Grade XUngraded$65–$10013 listings
| Grade | Price range | Relative range | Listings |
|---|---|---|---|
| Grade AClean / low wear | $56–$145 | 15 | |
| Grade BStandard used | Updating | — | |
| Grade CVisible wear | Updating | — | |
| Grade XUngraded | $65–$100 | 13 |
Median by grade
Grade price comparison
Grade A$76
Ungraded$75
Median asking price by seller-reported condition grade · $56–$145 overall range
Trim-specific context
How does the 150 amp (opt KG4) compare?
This pricing covers the 150 amp (opt KG4) variant of the 2020 GMC Yukon alternator, based on 28 priced listings. Its $76 median is 11% below the 2020 GMC Yukon alternator overall median of $85.
There is 1 other alternator variant available for the 2020 GMC Yukon.
Pricing is not a fitment guarantee. Match the VIN, part number, engine or drivetrain, and seller-listed variant before ordering.
Same trim, other years
150 amp (opt KG4) in other model years
Same year, other trims
What other 2020 GMC Yukon alternator variants are available?
Back to full guide
2020 GMC Yukon alternator — all trims
Common questions
2020 GMC Yukon alternator (150 amp (opt KG4)) FAQ
How much is a used 2020 GMC Yukon alternator (150 amp (opt KG4))?
Based on 28 priced salvage-yard listings, a used 2020 GMC Yukon alternator in the 150 amp (opt KG4) variant lists between $56 and $145, with a median asking price of $76.
Which years use the 150 amp (opt KG4) alternator?
The 150 amp (opt KG4) variant appears in model years 2018, 2019, 2020. Prices and availability may differ by year.